arm64: dts: rockchip: add SPDIF node for rk3399-firefly

This patch adds the SPDIF sound node and related settings
for rk3399-firefly.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Link: https://lore.kernel.org/r/20210613215237.830160-1-pbrobinson@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
index 45254be..6bbf79a 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
@@ -151,6 +151,23 @@
                reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
        };
 
+       sound-dit {
+               compatible = "audio-graph-card";
+               label = "SPDIF";
+               dais = <&spdif_p0>;
+       };
+
+       spdif-dit {
+               compatible = "linux,spdif-dit";
+               #sound-dai-cells = <0>;
+
+               port {
+                       dit_p0_0: endpoint {
+                               remote-endpoint = <&spdif_p0_0>;
+                       };
+               };
+       };
+
        /* switched by pmic_sleep */
        vcc1v8_s3: vcca1v8_s3: vcc1v8-s3 {
                compatible = "regulator-fixed";
@@ -710,6 +727,17 @@
        status = "okay";
 };
 
+&spdif {
+       pinctrl-0 = <&spdif_bus_1>;
+       status = "okay";
+
+       spdif_p0: port {
+               spdif_p0_0: endpoint {
+                       remote-endpoint = <&dit_p0_0>;
+               };
+       };
+};
+
 &tcphy0 {
        status = "okay";
 };